Danny McBride as Thadeous

James Franco as Fabious

Natalie Portman as Isabel

Zooey Deschanel as Belladonna

Justin Theroux as Leezar

Toby Jones as Julie

Damian Lewis as Boremont

Rasmus Hardiker as Courtney

Simon Farnaby as Manious the Bold

Deobia Oparei as Thundarian

Charles Dance as King Tallious

B.J. Hogg as Royal Advisor

Matyelok Gibbs as Mother

Angela Pleasence as Mother

Anna Barry as Mother

Michael Clarke Duncan as The Giant Troll

Amber Anderson as Maiden

John Fricker as Marteetee

Charles Shaughnessy as Narrator / Soul of the Maze

Rhian Sugden as Forest Woman

Amii Grove as Forest Woman

Madison Welch as Forest Woman

Eva Wyrwal as Regina

Brian Steele as Minotaur

David Garrick as Daronius the Swift

Caroline Grace-Cassidy as Handmaiden

Julian Rhind-Tutt as Warlock

Susie Kelly as Hooded Witch

Ben Wright as Dastardly

Ben Willbond as Ranger